Ethereum - POW(POS in future), is more decentralized, ...
EOS - DPOS, faster transaction, ... (can you give me more?)a
The ICO for EOS ends in May as i know, and will it be able to beat Ethereum?
EOS have a good whitepaper but until it has no real product, Ethereum still be a good choice for investment. But you can still buy EOS and have a good profit if it pumps.